Methanol (CH3OH) is also known as wood alcohol and can be used as a fuel. When one mole of methanol is burned, 1453 kJ of heat are evolved. When methanol is burned in a bomb calorimeter, 305 kJ of heat are evolved by the methanol. How many mL of methanol (d = 0.791 g/mL) were burned?

Q: When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 5.27 g is…

A: Given: 3.27 MJ = 3270000 J molar mass of C6H6 = 78.11 gm/mol that mean 78.11 gm C6H6 = 1 mole then…

Q: how much nitrogen monoxide is formed if 505 kJ of heat are used in its production? N2(g) + O2(g)…

A: N2(g) + O2(g) ==> 2 NO (g)

Q: What is the net reaction?

A: This problem is based on Hess's law (Thermochemistry)

Q: In the following reaction, how much heat is generated when 3.21 moles of CH4 are burned? CH4 (g) + 2…

A: CH4g+2O2g→ CO2g+2H2Og                       △ H = 802KJmolAs 1 mole of CH4 heat released =…

Q: A 0.88g gummy bear is burned in a bomb calorimeter. The temperature started at 21.5 degrees Celcius…

A:

Q: When 3 moles of C is formed, what is the change in enthalpy? 3A + 6B + 5 kJ → 2C

A: Answer given below

Q: CS2 and 10.0 g Cl2 reacts by the followi CS2(g) + 3Cl2 (g) AH = -230. kJ

A: Given, Mass of Cl2 = 10 g Mass of CS2 = 10 g Molar mass of CS2 = 76 g/mol Molar mass of Cl2 = 71 g…

Q: The reaction 3H2(g) + N2(g) → 2NH3(g) has an enthalpy of reaction of -92.6 kJ/mol. If 2 g of…

A: According to the given balanced chemical equation, one mole of nitrogen reacts to produce 92.6 kJ of…

Q: How much heat is involved when 68.0 g of N2 are reacted in the reaction:
2N2(g) + 5O2(g) + 2H2O(l) →…

A: Given, the chemical reaction,2N2(g)+5O2(g)+2H2O(l)→4HNO3(aq)   ; ∆H =-256 kJamount of heat evolved…

Q: Determine the amount of heat (in kJ) associated with the production of 1.76 × 104 g of NO2 according…

A: Molar mass of nitrogen dioxide is 46 g/mol

Q: How much heat is evolved when 453.5 g of ammonia (NH3) is produced according to the following…

A: Given Reaction is - N2 (g) + 3H2 (g) → 2NH3 (g)                  ΔH= -91.8 kJ

Q: When carbon disulfide,CS2, forms from its elements, heat is absorbed. How much heat would be…

A: Enthalpy of formation of carbon disulphide = 89.3 kJ The formation of carbon disulphide is for 1…

Q: A substance weighing 14.2 g absorbs 65.03 J of heat, resulting in a temperature increase of 10.2 °C.…

A: The objective of the question is to identify the substance based on its specific heat capacity. The…

Q: Liquid hydrogen peroxide is an oxidizing agent in rocket fuel mixtures because it decomposes to form…

A:

Q: Consider the following equation for the combustion of acetone (C3H6O), the main ingredient in nail…

A: The objective of the question is to calculate the amount of heat released by the complete combustion…

Q: Propene can be converted to Propanol, C3H3O, by the reaction: C3H6(g) + H20(g) C3H8O(g) If the Heat…

A: Given: The reaction of conversion of propene to propanol. C3H6(g)  +  H2O(g)   ----------->…

Q: In a calorimeter, a 90.0 g piece of metal at 92.4 *C is submerged in 100.0 g of water, that is…

A: In a calorimeter, a 90.0 g piece of metal at 92.4 °C is submerged in 100.0 g of water that is…

Q: For the following combustion reaction CH3CH₂CH₂COOH(1) +502(g) → 4CO₂(g) + 4H₂O(g) AH = -2.18 × 10³…

A:

Q: If 51.44 kJ of heat evolved when 0.180 mol H2O(1) is formed from the combustion of H2(g) and O2(g),…

A: The number of moles of a substance is given as the mass of the substance upon its molar mass.

Q: When H₂(g) reacts with O₂(g) according to the following reaction, 242 kJ of energy are evolved for…

A: Thermochemical equation- 2 H2(g) + O2(g) -----> 2 H2O(g)   ∆H = 242 KJ energy evolved For each…

Q: A 63.5-g piece of an unknown metal is heated to 92.40°C and quickly added to 100.0 g of water in a…

A: Given, mass of unknown metal, mu=63.5 g initial temperature of metal, Tiu=92.40°C mass of water,…

Q: When SO₂(g) reacts with O₂(g) according to the following reaction, 98.9 kJ of energy are evolved for…

A: When the heat is evolved in the reaction, then it is called as exothermic reaction.  the sign of…

Q: Sodium chloride is added in cooking to enhance the flavor of food. When 10.0 g of Na Cl are…

A: Given information,     Mass of sodium chloride is 10.0 g      Volume of water is 200.0 mL…

Q: How much heat is released when a mixture containing 10.00 g NH3 and 20.00 g O₂ reacts according to…

A:

Q: Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of…

A:

Q: When NO(g) reacts with O₂(g) according to the following reaction, 13.93 kcal of energy are evolved…

A:

Q: One mole of nitrogen oxide, NO, reacts with oxygen gas to produce a brown gas, NO₂ and 120 kJ of…

A: One mole of nitrogen oxide, NO reacts with oxygen gas to produce a brown gas NO2 and 120 KJ ofheat…

Q: Hydrazine, N2H4, is a liquid used as a rocket fuel. It reacts with oxygen to yield  nitrogen gas and…

A: Molar mass of hydrazine (N2H4) = 32.045 g/mol

Q: What is the heat of a reaction, in joules, with a total reaction mixture volume of 69.0 mL if the…

A:

Q: d. Calculate the amount of heat released w to the following chemical equation (5 m

A:

Q: Calculate the heat change (q) in J when 8.111 grams of water is cooled from 1.472 ºC to -2.592 ºC.

A: The heat change during a temperature change ca be calculated as follows. q=mc∆Tq=heat…

Q: A student heats 63.74 grams of nickel to 98.87 degree celcius and then drops it into a cup…

A: heat capacity formula : Q =m*c*△T Q = heat energy m = mass  c = specific heat capacity  △T =…

Q: 2. Propane is the fuel used in outdoor gas grills. The thermochemical eqn for the combustion of…

A: Combustion :- The process of burning a substance in excess of air or oxygen is known as combustion…

Q: What is the change in energy (in J) for a system that lost 344 J of heat to the surroundings, and…

A: Assume that work (w) is done on the system, so w will be positive.Given:Heat lost, Q  = - 344 JWork…

Q: IN B C. LI %#3 Assume that it is possible to heat water with perfect insulation (all the heat from…

A: Assume that it is possible to heat water with perfect insulation (all the heat from combustion of…

Q: when butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

A: When butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

Q: 200 grams

A: A) moles of NH3 = 200g / 17gmol-1 = 11.765mol  B) moles of O2 = 450g / 32gmol-1 = 14.063mol

Q: Calcium carbide, CaC2, is the raw material for the production of acetylene (used in welding…

A: Introduction: Calcium carbide is also known as calcium acetylide. It is industrially used for the…

Q: When methanol, CH, OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

A:

Q: Consider the reaction, C2H4(g) + H2(g) → C2H6(g), where ΔH = –137 kJ. How many kilojoules are…

A: The reaction of alkene with hydrogen is called as hydrogenation. The energy change that is…

Q: An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 ºC. The  sample…

A: Given, Amount of heat required (Q) = 567 J Initial temperature (Ti) = 0°C Final temperature (Tf) =…

Q: The following thermochemical equation is for the reaction of H₂ (g) with Cl₂ (g) to form HCl(g). H₂…

A: